CN204593991U - A kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system - Google Patents
A kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system Download PDFInfo
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- CN204593991U CN204593991U CN201520133512.5U CN201520133512U CN204593991U CN 204593991 U CN204593991 U CN 204593991U CN 201520133512 U CN201520133512 U CN 201520133512U CN 204593991 U CN204593991 U CN 204593991U
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Abstract
The utility model discloses a kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system, comprise spray Qi Zeng Han heat pump, the media outlet of spray Qi Zeng Han heat pump is communicated with cross valve import, the outlet of cross valve connects condenser medium entrance by stop valve one, stop valve two is also in series with between described stop valve one import and outlet, accumulator and stop valve three, media outlet one tunnel of condenser is communicated with choke valve, after plate type heat exchanger heats up with another road high-temperature high-pressure medium heat exchange, the gas returning port of spray Qi Zeng Han heat pump is communicated with by stop valve four, another road is through plate type heat exchanger, electric expansion valve enters evaporimeter heat absorption and gets back to spray Qi Zeng Han heat pump air entry, stop valve five is provided with between the medium entrance of described choke valve and accumulator media outlet, it not only solves the defect on existing control Defrost technology, air energy heat pump can be protected at low ambient temperatures simultaneously, control defrosting time when heating heats to shorten, energy consumption reduces, change heat pump high energy efficiency at low temperatures to run simultaneously.
Description
Technical field
The utility model relates to the white technical field of control, particularly relates to a kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system.
Background technology
Under prior art, Air-Cooled Heat Pump Unit, when heating operation, should take defrosting measure.Existing defrosting is reverse cycle defrosting or hot gas bypass defrosting.It is large to there is temperature fluctuation in reverse cycle defrosting, and internal system pressure oscillation is large, to compressor build-up of pressure impact etc.Tradition bypass defrost consumed energy is large, lacks low level heat energy, and defrosting energy shortage, defrosting time is long.
Utility model content
The utility model provides a kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system, it not only solves the defect on existing control Defrost technology, air energy heat pump can be protected at low ambient temperatures simultaneously, control defrosting time when heating heats to shorten, energy consumption reduces, and changes heat pump high energy efficiency at low temperatures simultaneously and runs.
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system, comprise spray Qi Zeng Han heat pump, the media outlet of spray Qi Zeng Han heat pump is communicated with cross valve import, the outlet of cross valve connects condenser medium entrance by stop valve one, stop valve two is also in series with between described stop valve one import and outlet, accumulator and stop valve three, media outlet one tunnel of condenser is communicated with choke valve, after plate type heat exchanger heats up with another road high-temperature high-pressure medium heat exchange, the gas returning port of spray Qi Zeng Han heat pump is communicated with by stop valve four, another road is through plate type heat exchanger, electric expansion valve enters evaporimeter heat absorption and gets back to spray Qi Zeng Han heat pump air entry, stop valve five is provided with between the medium entrance of described choke valve and accumulator media outlet.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
The essential problem of low-temperature heat source is lacked when solving air energy heat pump defrosting, solve the problem causing indoor intensification slow due to energy storage, in energy storage defrost process, heat pump Suck and exhaust pressure is than conventional except frost level 0.15 and more than 0.25MPa, and suction and discharge temperature is higher than routine defrosting temperature 3-5 DEG C.Evaporator inlet-outlet medium temperature defrosts higher than routine simultaneously, specific temperature rise is very fast, at identical outdoor environment temperature with under the condition controlling final temperature, energy storage defrosting needs 3.0min to shorten about 60% than the 7.5min of conventional defrosting, energy storage defrosting unit heat pamp extends successful, and defrost interval extends than conventional defrosting unit and reaches 128%.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present application one.
In figure, 1, spray Qi Zeng Han heat pump, 2, evaporimeter, 3, electric expansion valve, 4, plate type heat exchanger, 5, choke valve, 6, condenser, 7, stop valve five, 8, stop valve four, 9, stop valve three, 10, stop valve two, 11, stop valve one, 12, accumulator, 13, cross valve.
Detailed description of the invention
The utility model provides a kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system, it not only solves the defect on existing control Defrost technology, air energy heat pump can be protected at low ambient temperatures simultaneously, control defrosting time when heating heats to shorten, energy consumption reduces, and changes heat pump high energy efficiency at low temperatures simultaneously and runs.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiment one:
In embodiment one, as shown in Figure 1, a kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system, comprise spray Qi Zeng Han heat pump 1, the media outlet of spray Qi Zeng Han heat pump 1 is communicated with cross valve 13 import, the outlet of cross valve 13 connects condenser 6 medium entrance by stop valve 1, stop valve 2 10 is also in series with between described stop valve 1 import and outlet, accumulator 12 and stop valve 39, media outlet one tunnel of condenser 6 is communicated with choke valve 5, after plate type heat exchanger 4 heats up with another road high-temperature high-pressure medium heat exchange, the gas returning port of spray Qi Zeng Han heat pump 1 is communicated with by stop valve 48, another road is through plate type heat exchanger 4, electric expansion valve 3 enters evaporimeter 2 heat absorption and gets back to spray Qi Zeng Han heat pump 1 air entry, stop valve 57 is provided with between the medium entrance of described choke valve 5 and accumulator 12 media outlet.
When the defrost of cold-heat pump unit terminates, when starting normal Heating State, spray vapour increases the coolant media of Han heat pump 1 after overcompression, the gas becoming HTHP is discharged, the gas of HTHP is by cross valve 13, condenser 6 is entered by the stop valve 1 between condenser 6 medium entrance opened and cross valve 13, high-temperature high-pressure medium one tunnel after heat exchange is after choke valve 5 throttling cooling, after plate type heat exchanger 4 heats up with another road high-temperature high-pressure medium heat exchange, enter spray Qi Zeng Han heat pump gas returning port by stop valve 48.One road high-temperature high-pressure medium is through plate type heat exchanger 4, and after entering electric expansion valve 3 throttling decrease temperature and pressure, the gas becoming low-temp low-pressure enters evaporimeter 2 heat absorption and gets back to spray Qi Zeng Han heat pump 1 air entry, carries out another circulating-heating.
When condenser 6 temperature raises, control system is by opening the stop valve 2 10 between cross valve 13 and accumulator 12 medium entrance, the stop valve 39 between condenser 6 medium entrance and accumulator 12 media outlet, close the stop valve 1 between condenser 6 medium entrance and cross valve 13, stop valve 57 between choke valve 5 medium entrance and accumulator 12 media outlet, make phase-change accumulation energy device 12 and condenser 6 series operation, realize the accumulation of energy of phase-change accumulation energy device 12.
When system just enters defrost state, system opens the stop valve 2 10 between cross valve 13 and accumulator 12 medium entrance, the stop valve 57 between choke valve 5 medium entrance and accumulator 12 media outlet, stop valve 1 between closedown condenser 6 medium entrance and cross valve 13, the stop valve 39 between condenser 6 medium entrance and accumulator 12 media outlet, realize accumulator and defrost to evaporimeter 2 separately.
When systems axiol-ogy is in low-temperature condition to accumulator 12, system opens the stop valve 2 10 between cross valve 13 and accumulator 12 medium entrance, the stop valve 39 between condenser 6 medium entrance and accumulator 12 media outlet, close the stop valve 1 between condenser 6 medium entrance and cross valve 13, stop valve 57 between choke valve 5 medium entrance and accumulator 12 media outlet, realize accumulator 12, condenser 6 connects and to defrost to evaporimeter 2.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
The essential problem of low-temperature heat source is lacked when solving air energy heat pump defrosting, solve the problem causing indoor intensification slow due to energy storage, in energy storage defrost process, heat pump Suck and exhaust pressure is than conventional except frost level 0.15 and more than 0.25MPa, and suction and discharge temperature is higher than routine defrosting temperature 3-5 DEG C.Evaporator inlet-outlet medium temperature defrosts higher than routine simultaneously, specific temperature rise is very fast, at identical outdoor environment temperature with under the condition controlling final temperature, energy storage defrosting needs 3.0min to shorten about 60% than the 7.5min of conventional defrosting, energy storage defrosting unit heat pamp extends successful, and defrost interval extends than conventional defrosting unit and reaches 128%.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (1)
1. a hot pump in low temp superposition phase-change accumulation energy control defrosting system, it is characterized in that: comprise spray Qi Zeng Han heat pump (1), the media outlet of spray Qi Zeng Han heat pump (1) is communicated with cross valve (13) import, the outlet of cross valve (13) connects condenser (6) medium entrance by stop valve one (11), stop valve two (10) is also in series with between described stop valve one (11) import and outlet, accumulator (12) and stop valve three (9), media outlet one tunnel of condenser (6) is communicated with choke valve (5), after plate type heat exchanger (4) heats up with another road high-temperature high-pressure medium heat exchange, the gas returning port of spray Qi Zeng Han heat pump (1) is communicated with by stop valve four (8), another road is through plate type heat exchanger (4), electric expansion valve (3) enters evaporimeter (2) heat absorption and gets back to spray Qi Zeng Han heat pump (1) air entry, stop valve five (7) is provided with between the medium entrance of described choke valve (5) and accumulator (12) media outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520133512.5U CN204593991U (en) | 2015-03-10 | 2015-03-10 | A kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520133512.5U CN204593991U (en) | 2015-03-10 | 2015-03-10 | A kind of hot pump in low temp superposition phase-change accumulation energy control defrosting system |
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| CN204593991U true CN204593991U (en) | 2015-08-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485766A (en) * | 2015-12-21 | 2016-04-13 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN108562080A (en) * | 2018-06-22 | 2018-09-21 | 浙江正理生能科技有限公司 | A kind of air source heat pump intelligent defrosting system |
| CN108759158A (en) * | 2018-07-20 | 2018-11-06 | 天津商业大学 | A kind of completely cooling two-stage compression heat pump system in second throttle centre |
| CN108885036A (en) * | 2016-04-11 | 2018-11-23 | 贝加弗特有限责任公司 | For the system to the external boiler deicing for heat pump system |
-
2015
- 2015-03-10 CN CN201520133512.5U patent/CN204593991U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485766A (en) * | 2015-12-21 | 2016-04-13 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN105485766B (en) * | 2015-12-21 | 2018-06-26 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN108885036A (en) * | 2016-04-11 | 2018-11-23 | 贝加弗特有限责任公司 | For the system to the external boiler deicing for heat pump system |
| US11262114B2 (en) | 2016-04-11 | 2022-03-01 | Begafrost S.R.L. | System for deicing an external evaporator for heat pump systems |
| CN108562080A (en) * | 2018-06-22 | 2018-09-21 | 浙江正理生能科技有限公司 | A kind of air source heat pump intelligent defrosting system |
| CN108562080B (en) * | 2018-06-22 | 2024-05-07 | 浙江正理生能科技有限公司 | Intelligent defrosting system of air source heat pump |
| CN108759158A (en) * | 2018-07-20 | 2018-11-06 | 天津商业大学 | A kind of completely cooling two-stage compression heat pump system in second throttle centre |
| CN108759158B (en) * | 2018-07-20 | 2023-10-13 | 天津商业大学 | Secondary throttling middle complete cooling two-stage compression heat pump system |
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